For anyone who cares about their so-called "sleep hygiene" — essentially good, deep, restful sleep — it has become conventional wisdom that blue light will wreck it. Blue light is often the wavelength ...

The damaging effects of daily, lifelong exposure to the blue light emanating from phones, computers and household fixtures worsen as a person ages, new research by Oregon State University suggests.

Excessive blue light can cause accelerated aging in flies because this exposure can cause cellular damage, according to a study released Wednesday. Because the signaling chemicals in the cells of ...

A new study from Canada finds that blue light before bed might not be as bad for adults as we have been led to believe.

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest source of blue light. On a sunny day, it's 100,000 times ...

Using blue light filters on your devices, reducing overall screen brightness in the evening, and taking breaks all help. If you decide to try blocking glasses designed for nighttime use, look for ...

BOSTON - The blue light emitted from your smartphone may not be as harmful to sleep as previously thought. We know that evening exposure to light can impact your circadian rhythm, your sleep, and your ...

A new study published in the journal Frontiers in Aging has shown that "excessive" blue light exposure may accelerate cell aging by disrupting the metabolic process. Getty Images Staring at your phone ...